Question What are the Minimum & Maximum Delay Times on the "Delay Knob" on the Vortex Flanger Answer The value can vary from one Preset to the other and in every TonePrint . Minimum and maximum POSSIBLE delay times for Vortex Flanger are: Min: 0.1ms Max: 50ms For the TZF it's hardcoded to 0ms... to enable the signals to cross each other in time.